Accumulated Other Comprehensive Income Reclassifications out of Other Comprehensive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	$ 144
Hedges and investment securities, net of tax	(239)		(230)
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	3
Net of tax	14		0
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	33
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	56		27
Reclassifications out of Accumulated Other Comprehensive Income	(59)	[1]
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	2	[1]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	(2)	[1]
Gains and Losses on Hedges and Investment Securities, before tax	0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	(1)
Hedges and investment securities, net of tax	(1)
Pension Plans, Defined Benefit [Member]
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)	(1)	[2]
Defined Benefit Plan, Actuarial Gain (Loss)	(81)	[2]
Defined Benefit Plan, Amortization of Net Gains (Losses)	(82)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax	24
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax	$ (58)

[1]

[2] Reclassified from AOCI into costs of products sold and SG&A. These components are included in the computation of net periodic pension cost (see Note 6 for additional details).